-*- nroff -*-
Copyright (c) 1998 Doug Rabson
All rights reserved.
This program is free software.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$FreeBSD: releng/10.2/share/man/man9/devclass_get_maxunit.9 235693 2012-05-20 16:43:47Z gjb $
.Dd September 10, 2010 .Dt DEVCLASS_GET_MAXUNIT 9 .Os .Sh NAME .Nm devclass_get_maxunit .Nd find the maximum unit number in the class .Sh SYNOPSIS n sys/param.h n sys/bus.h .Ft int .Fn devclass_get_maxunit "devclass_t dc" .Sh DESCRIPTION Returns the next unit number to be allocated to device instances in the .Dv devclass . This is one greater than the highest currently allocated unit. .Sh RETURN VALUES The .Fn devclass_get_maxunit function returns -1 if .Fa dc is .Dv NULL , otherwise it returns the next unit number in .Fa dc's devclass. .Sh ERRORS None. .Sh SEE ALSO .Xr devclass 9 , .Xr device 9 .Sh AUTHORS This manual page was written by .An Doug Rabson . .Sh BUGS The name is confusing since it is one greater than the maximum unit.
Copyright (c) 1998 Doug Rabson
All rights reserved.
This program is free software.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
$FreeBSD: releng/10.2/share/man/man9/devclass_get_maxunit.9 235693 2012-05-20 16:43:47Z gjb $
.Dd September 10, 2010 .Dt DEVCLASS_GET_MAXUNIT 9 .Os .Sh NAME .Nm devclass_get_maxunit .Nd find the maximum unit number in the class .Sh SYNOPSIS n sys/param.h n sys/bus.h .Ft int .Fn devclass_get_maxunit "devclass_t dc" .Sh DESCRIPTION Returns the next unit number to be allocated to device instances in the .Dv devclass . This is one greater than the highest currently allocated unit. .Sh RETURN VALUES The .Fn devclass_get_maxunit function returns -1 if .Fa dc is .Dv NULL , otherwise it returns the next unit number in .Fa dc's devclass. .Sh ERRORS None. .Sh SEE ALSO .Xr devclass 9 , .Xr device 9 .Sh AUTHORS This manual page was written by .An Doug Rabson . .Sh BUGS The name is confusing since it is one greater than the maximum unit.